Sewing machine



FIG. 1 is a front elevational view of a sewing machine showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is an end elevational view;

FIG. 6 is an elevational view of the opposite end;

FIG. 7 is a front perspective view of a sewing machine with the carrying handle in a raised position; and

FIG. 8 is a front perspective view of a sewing machine with the separable part of the work bed in a completely removed position. 

The ornamental design for a sewing machine, as shown. 